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单选题 S7-1200PLC属于什么类型
学科：默认课程
时间：2025-11-24 03:02:14
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题目1单选题
In communities north of Denver, residents are pitching in to help teachers and administrators as the Vrain school District tries to solve a $13.8 million budget shortage blamed on mismanagement. "We're worried about our teachers and principals, and we really don't want to lose them because of this," one parent sail. "If we can help ease their financial burden, we will. "Teachers are grateful, but know it may be years before the district is solvent (有综合能力的). They feel really good about the parent support, but they realize it's impossible for then to solve this problem.The 22,000-student district discovered the shortage last month. "It's extraordinary. Nobody would have imagined something happening like this at this level," said State Treasurer Mike Coffman.Coffman and district officials last week agreed on a state emergency plan freeing yp a $9.8 million loan that enabled the payroll (工资单) to be met for 2,700 teachers and staff in time for the holidays.District officials also took $1.7 million from student-activity accounts its 38 schools.At Coffman's request, the District Attorney has begun investigating the district's finances. Coffman says he wants to know whether district officials hid the budget shortage until after the November election, when voters approved a $212 million bond issue for schools.In Frederick, students' parents are buying classroom supplies and offering to pay for groceries and utilities to keep first-year teachers and principals in their jobs.Some $36,000 has been raised in donations from Safeway. A Chevrolet dealership donated $10,000 and forgave the district's $10,750 bill for renting the driver educating cars. IBM contributed 4,500 packs of paper."We employ thousands of people in this community," said Mitch Carson, a hospital chief executive, who helped raise funds. "We have children in the school, and we see how they could be affected."At Creek High School, three students started a website that displays newspaper articles, district information and an email forum (论坛). "Rumors about what's happening to the district are moving at lighting speed," said a student. "We wanted to know the truth, and spread that around instead."小题:What has happened to the Vrain School DistrictA. A huge financial problem has arisen.B. Many schools there are mismanaged.C. Lots of teachers in the district are planning to quit.D. Many administrative personnel have been laid off.
题目2单选题
In communities north of Denver, residents are pitching in to help teachers and administrators as the Vrain school District tries to solve a $13.8 million budget shortage blamed on mismanagement. "We're worried about our teachers and principals, and we really don't want to lose them because of this," one parent sail. "If we can help ease their financial burden, we will. "Teachers are grateful, but know it may be years before the district is solvent (有综合能力的). They feel really good about the parent support, but they realize it's impossible for then to solve this problem.The 22,000-student district discovered the shortage last month. "It's extraordinary. Nobody would have imagined something happening like this at this level," said State Treasurer Mike Coffman.Coffman and district officials last week agreed on a state emergency plan freeing yp a $9.8 million loan that enabled the payroll (工资单) to be met for 2,700 teachers and staff in time for the holidays.District officials also took $1.7 million from student-activity accounts its 38 schools.At Coffman's request, the District Attorney has begun investigating the district's finances. Coffman says he wants to know whether district officials hid the budget shortage until after the November election, when voters approved a $212 million bond issue for schools.In Frederick, students' parents are buying classroom supplies and offering to pay for groceries and utilities to keep first-year teachers and principals in their jobs.Some $36,000 has been raised in donations from Safeway. A Chevrolet dealership donated $10,000 and forgave the district's $10,750 bill for renting the driver educating cars. IBM contributed 4,500 packs of paper."We employ thousands of people in this community," said Mitch Carson, a hospital chief executive, who helped raise funds. "We have children in the school, and we see how they could be affected."At Creek High School, three students started a website that displays newspaper articles, district information and an email forum (论坛). "Rumors about what's happening to the district are moving at lighting speed," said a student. "We wanted to know the truth, and spread that around instead."小题:How did the residents in the Vrain School District respond to the budget shortageA. They felt somewhat helpless about it.B. They accused those responsible for it.C. They pooled their efforts to help solve it.D. They demanded a through investigation.
题目3单选题
In communities north of Denver, residents are pitching in to help teachers and administrators as the Vrain school District tries to solve a $13.8 million budget shortage blamed on mismanagement. "We're worried about our teachers and principals, and we really don't want to lose them because of this," one parent sail. "If we can help ease their financial burden, we will. "Teachers are grateful, but know it may be years before the district is solvent (有综合能力的). They feel really good about the parent support, but they realize it's impossible for then to solve this problem.The 22,000-student district discovered the shortage last month. "It's extraordinary. Nobody would have imagined something happening like this at this level," said State Treasurer Mike Coffman.Coffman and district officials last week agreed on a state emergency plan freeing yp a $9.8 million loan that enabled the payroll (工资单) to be met for 2,700 teachers and staff in time for the holidays.District officials also took $1.7 million from student-activity accounts its 38 schools.At Coffman's request, the District Attorney has begun investigating the district's finances. Coffman says he wants to know whether district officials hid the budget shortage until after the November election, when voters approved a $212 million bond issue for schools.In Frederick, students' parents are buying classroom supplies and offering to pay for groceries and utilities to keep first-year teachers and principals in their jobs.Some $36,000 has been raised in donations from Safeway. A Chevrolet dealership donated $10,000 and forgave the district's $10,750 bill for renting the driver educating cars. IBM contributed 4,500 packs of paper."We employ thousands of people in this community," said Mitch Carson, a hospital chief executive, who helped raise funds. "We have children in the school, and we see how they could be affected."At Creek High School, three students started a website that displays newspaper articles, district information and an email forum (论坛). "Rumors about what's happening to the district are moving at lighting speed," said a student. "We wanted to know the truth, and spread that around instead."小题:In the view of State Treasurer Mike Coffman, the educational budget shortage is ________A. unavoidableB. unthinkableC. insolvableD. irreversible
题目4单选题
In communities north of Denver, residents are pitching in to help teachers and administrators as the Vrain school District tries to solve a $13.8 million budget shortage blamed on mismanagement. "We're worried about our teachers and principals, and we really don't want to lose them because of this," one parent sail. "If we can help ease their financial burden, we will. "Teachers are grateful, but know it may be years before the district is solvent (有综合能力的). They feel really good about the parent support, but they realize it's impossible for then to solve this problem.The 22,000-student district discovered the shortage last month. "It's extraordinary. Nobody would have imagined something happening like this at this level," said State Treasurer Mike Coffman.Coffman and district officials last week agreed on a state emergency plan freeing yp a $9.8 million loan that enabled the payroll (工资单) to be met for 2,700 teachers and staff in time for the holidays.District officials also took $1.7 million from student-activity accounts its 38 schools.At Coffman's request, the District Attorney has begun investigating the district's finances. Coffman says he wants to know whether district officials hid the budget shortage until after the November election, when voters approved a $212 million bond issue for schools.In Frederick, students' parents are buying classroom supplies and offering to pay for groceries and utilities to keep first-year teachers and principals in their jobs.Some $36,000 has been raised in donations from Safeway. A Chevrolet dealership donated $10,000 and forgave the district's $10,750 bill for renting the driver educating cars. IBM contributed 4,500 packs of paper."We employ thousands of people in this community," said Mitch Carson, a hospital chief executive, who helped raise funds. "We have children in the school, and we see how they could be affected."At Creek High School, three students started a website that displays newspaper articles, district information and an email forum (论坛). "Rumors about what's happening to the district are moving at lighting speed," said a student. "We wanted to know the truth, and spread that around instead."小题:Why did Coffman request an investigationA. To see if there was a deliberate cover-up of the problem.B. To find out the extent of the consequences of the case.C. To make sure that the school principals were innocent.D. To stop the voters approving the $212 million bong issue.
题目5单选题
In communities north of Denver, residents are pitching in to help teachers and administrators as the Vrain school District tries to solve a $13.8 million budget shortage blamed on mismanagement. "We're worried about our teachers and principals, and we really don't want to lose them because of this," one parent sail. "If we can help ease their financial burden, we will. "Teachers are grateful, but know it may be years before the district is solvent (有综合能力的). They feel really good about the parent support, but they realize it's impossible for then to solve this problem.The 22,000-student district discovered the shortage last month. "It's extraordinary. Nobody would have imagined something happening like this at this level," said State Treasurer Mike Coffman.Coffman and district officials last week agreed on a state emergency plan freeing yp a $9.8 million loan that enabled the payroll (工资单) to be met for 2,700 teachers and staff in time for the holidays.District officials also took $1.7 million from student-activity accounts its 38 schools.At Coffman's request, the District Attorney has begun investigating the district's finances. Coffman says he wants to know whether district officials hid the budget shortage until after the November election, when voters approved a $212 million bond issue for schools.In Frederick, students' parents are buying classroom supplies and offering to pay for groceries and utilities to keep first-year teachers and principals in their jobs.Some $36,000 has been raised in donations from Safeway. A Chevrolet dealership donated $10,000 and forgave the district's $10,750 bill for renting the driver educating cars. IBM contributed 4,500 packs of paper."We employ thousands of people in this community," said Mitch Carson, a hospital chief executive, who helped raise funds. "We have children in the school, and we see how they could be affected."At Creek High School, three students started a website that displays newspaper articles, district information and an email forum (论坛). "Rumors about what's happening to the district are moving at lighting speed," said a student. "We wanted to know the truth, and spread that around instead."小题:Three high school students started a website in order to ________A. attract greater public attention to their needsB. appeal to the public for contributions and donationsC. expose officials who neglected their dutiesD. keep people properly informed of the crisis
题目6单选题
CPU 1214C有集成的( )点模拟量输入A. 0B. 1C. 2D. 3
题目7单选题
下列不属于PLC硬件系统组成的是( )A. 用户程序B. 输入输出接口C. 中央处理单元D. 通讯接口
题目8单选题
S7-1200PLC属于什么类型A. 小型整体式B. 大型整体式C. 小型模块式
题目9单选题
STOP模式下,S7-1200CPU单元集成DO通道输出的信号状态不包括哪种?( )A. 输出STOP前状态B. 输出替代值1C. 输出替代值0D. 输出随机状态
题目10单选题
任何进位计数制都有的两要素是 ( )A. 整数和小数B. 定点数和浮点数C. 数码的个数和进位基数D. 阶码和尾码
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